This Cast Iron Flange Input Gear Reducer made with a single Fc20 all cast iron housing with 5:1 to 60:1 ratios in Box sizes 133 to 325. Double tapered roller bearings are used on both S45C carbon steel shaft ends. Units are filled with Mobil # SHC634 synthetic oil and utilize an interior oil channel guide that directly and continually lubes the bearings. Albc3 aluminum-bronze gears are used and a shaft sleeve protects all shafts as does embedded double-lip oil seals. Anti-rust primer is applied inside and outside the gearbox that is finished in air dry special black paint. The reducer has all angles radiused mounting holes to make use of its compact design with compact space capability and universal interchangeability.